android.graphics.Bitmap.getPixel()方法的使用及代码示例

x33g5p2x  于2022-01-16 转载在 其他  
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本文整理了Java中android.graphics.Bitmap.getPixel()方法的一些代码示例，展示了Bitmap.getPixel()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Bitmap.getPixel()方法的具体详情如下：
包路径：android.graphics.Bitmap
类名称：Bitmap
方法名：getPixel

Bitmap.getPixel介绍

暂无

代码示例

代码示例来源：origin: stackoverflow.com

private int getOverlapDistance(Bitmap bottomBitmap) {
  int height = bottomBitmap.getHeight();
  int width = bottomBitmap.getWidth();
  int distance = 0;
  for (int i = 0; i < height; i++) {
    if (Color.alpha(bottomBitmap.getPixel(width - 1, i)) != 0) {
      distance = (i + 1);
      break;
    }
  }
  return distance;
}

代码示例来源：origin: robolectric/robolectric

@Test
public void testGetPixels() {
 // Create a dummy bitmap.
 Bitmap bmp = Bitmap.createBitmap(10, 10, Bitmap.Config.ARGB_8888);
 for (int y = 0; y < bmp.getHeight(); ++y) {
  for (int x = 0; x < bmp.getWidth(); ++x) {
   bmp.setPixel(x, y, packRGB(x, y, 0));
  }
 }
 // Use getPixels to get pixels as an array (getPixels was the missing Shadowed Function).
 int[] pixels = new int[bmp.getWidth() * bmp.getHeight()];
 bmp.getPixels(pixels, 0, bmp.getWidth(), 0, 0, bmp.getWidth(), bmp.getHeight());
 // Every entry should match regardless of accessing it by getPixel vs getPixels.
 for (int y = 0; y < bmp.getHeight(); ++y) {
  for (int x = 0; x < bmp.getWidth(); ++x) {
   assertThat(bmp.getPixel(x, y)).isEqualTo(pixels[y * bmp.getWidth() + x]);
  }
 }
}

代码示例来源：origin: WangDaYeeeeee/Mysplash

private int computeBackgroundColor(Bitmap bitmap) {
  Matrix matrix = new Matrix();
  matrix.setScale((float) (1.0 / bitmap.getWidth()), (float) (1.0 / 2.0));
  bitmap = Bitmap.createBitmap(bitmap, 0, 0, bitmap.getWidth(), 2, matrix, false);
  return bitmap.getPixel(0, 0);
}

代码示例来源：origin: stackoverflow.com

Bitmap bitmap = someFunctionReturningABitmap();
long redBucket = 0;
long greenBucket = 0;
long blueBucket = 0;
long pixelCount = 0;

for (int y = 0; y < bitmap.getHeight(); y++)
{
  for (int x = 0; x < bitmap.getWidth(); x++)
  {
    Color c = bitmap.getPixel(x, y);

    pixelCount++;
    redBucket += Color.red(c);
    greenBucket += Color.green(c);
    blueBucket += Color.blue(c);
    // does alpha matter?
  }
}

Color averageColor = Color.rgb(redBucket / pixelCount,
                greenBucket / pixelCount,
                blueBucket / pixelCount);

代码示例来源：origin: WangDaYeeeeee/Waves

public static int calcBackgroundColor(Bitmap bitmap) {
  Matrix matrix = new Matrix();
  matrix.setScale((float) (1.0 / bitmap.getWidth()), (float) (1.0 / 2.0));
  bitmap = Bitmap.createBitmap(bitmap, 0, 0, bitmap.getWidth(), 2, matrix, false);
  return bitmap.getPixel(0, 0);
}

代码示例来源：origin: stackoverflow.com

// ** Declare your Bitmap somewhere **
final Bitmap TheBitmap;       
TheBitmap = BitmapFactory.decodeResource(getResources(), R.drawable.TheImage);

// ** My onTouch code **
public boolean onTouch(View v, MotionEvent event) {

    int eventPadTouch = event.getAction();

    switch (eventPadTouch) {

      case MotionEvent.ACTION_DOWN:
        if (iX>=0 & iY>=0 & iX<TheBitmap.getWidth() & iY<TheBitmap.getHeight()) { // ** Makes sure that X and Y are not less than 0, and no more than the height and width of the image.                
          if (TheBitmap.getPixel(iX,iY)!=0) {
            // * A non-alpha area was clicked, do something 
          }               
        }
        return true;                
    }           
    return false;
}

代码示例来源：origin: ConsideredHamster/YetAnotherPixelDungeon

public static int pick( int index, int x, int y ) {
  Bitmap bmp = TextureCache.get( Assets.ITEMS ).bitmap;
  int rows = bmp.getWidth() / SIZE;
  int row = index / rows;
  int col = index % rows;
  return bmp.getPixel( col * SIZE + x, row * SIZE + y );
}

代码示例来源：origin: google/ExoPlayer

assertThat(firstBitmap.getWidth()).isEqualTo(secondBitmap.getWidth());
assertThat(firstBitmap.getHeight()).isEqualTo(secondBitmap.getHeight());
long mse = 0;
for (int i = 0; i < firstBitmap.getWidth(); i++) {
 for (int j = 0; j < firstBitmap.getHeight(); j++) {
  int firstColorInt = firstBitmap.getPixel(i, j);
  int firstRed = Color.red(firstColorInt);
  int firstGreen = Color.green(firstColorInt);
  int firstBlue = Color.blue(firstColorInt);
  int secondColorInt = secondBitmap.getPixel(i, j);
  int secondRed = Color.red(secondColorInt);
  int secondGreen = Color.green(secondColorInt);

代码示例来源：origin: qs-lll/ExpandingPager

int A = 0, R = 0, G = 0, B = 0;
int pixelColor;
int height = bitmap.getHeight();
int width = bitmap.getWidth();
    pixelColor = bitmap.getPixel(x, y);
    A = A + Color.alpha(pixelColor);
    R = R + Color.red(pixelColor);

代码示例来源：origin: bumptech/glide

private void assertSamePixels(Bitmap expected, Bitmap actual) {
 assertEquals(expected.getWidth(), actual.getWidth());
 assertEquals(expected.getHeight(), actual.getHeight());
 assertEquals(expected.getConfig(), actual.getConfig());
 for (int y = 0; y < expected.getHeight(); y++) {
  for (int x = 0; x < expected.getWidth(); x++) {
   assertEquals(expected.getPixel(x, y), actual.getPixel(x, y));
  }
 }
}

代码示例来源：origin: tyrantgit/ExplosionField

public ExplosionAnimator(View container, Bitmap bitmap, Rect bound) {
  mPaint = new Paint();
  mBound = new Rect(bound);
  int partLen = 15;
  mParticles = new Particle[partLen * partLen];
  Random random = new Random(System.currentTimeMillis());
  int w = bitmap.getWidth() / (partLen + 2);
  int h = bitmap.getHeight() / (partLen + 2);
  for (int i = 0; i < partLen; i++) {
    for (int j = 0; j < partLen; j++) {
      mParticles[(i * partLen) + j] = generateParticle(bitmap.getPixel((j + 1) * w, (i + 1) * h), random);
    }
  }
  mContainer = container;
  setFloatValues(0f, END_VALUE);
  setInterpolator(DEFAULT_INTERPOLATOR);
  setDuration(DEFAULT_DURATION);
}

代码示例来源：origin: stackoverflow.com

for(int x = 0;x < bitmap.getWidth();x++)
  for(int y = 0;y < bitmap.getHeight();y++)
    if(match(bitmap.getPixel(x, y))) 
      bitmap.setPixel(x, y, to);

代码示例来源：origin: google/cameraview

@Override
  public void check(View view, NoMatchingViewException noViewFoundException) {
    if (android.os.Build.VERSION.SDK_INT < 14) {
      return;
    }
    CameraView cameraView = (CameraView) view;
    TextureView textureView = (TextureView) cameraView.findViewById(R.id.texture_view);
    Bitmap bitmap = textureView.getBitmap();
    int topLeft = bitmap.getPixel(0, 0);
    int center = bitmap.getPixel(bitmap.getWidth() / 2, bitmap.getHeight() / 2);
    int bottomRight = bitmap.getPixel(
        bitmap.getWidth() - 1, bitmap.getHeight() - 1);
    assertFalse("Preview possibly blank: " + Integer.toHexString(topLeft),
        topLeft == center && center == bottomRight);
  }
};

代码示例来源：origin: robolectric/robolectric

@Test
public void shouldCreateBitmapWithColors() throws Exception {
 int[] colors = new int[] {
   Color.parseColor("#ff0000"), Color.parseColor("#00ff00"), Color.parseColor("#0000ff"),
   Color.parseColor("#990000"), Color.parseColor("#009900"), Color.parseColor("#000099")
 };
 Bitmap bitmap = Bitmap.createBitmap(colors, 3, 2, Bitmap.Config.ARGB_8888);
 assertThat(bitmap.getWidth()).isEqualTo(3);
 assertThat(bitmap.getHeight()).isEqualTo(2);
 assertThat(bitmap.getConfig()).isEqualTo(Bitmap.Config.ARGB_8888);
 assertThat(bitmap.getPixel(0, 0)).isEqualTo(Color.parseColor("#ff0000"));
 assertThat(bitmap.getPixel(0, 1)).isEqualTo(Color.parseColor("#990000"));
 assertThat(bitmap.getPixel(1, 0)).isEqualTo(Color.parseColor("#00ff00"));
 assertThat(bitmap.getPixel(1, 1)).isEqualTo(Color.parseColor("#009900"));
 assertThat(bitmap.getPixel(2, 0)).isEqualTo(Color.parseColor("#0000ff"));
 assertThat(bitmap.getPixel(2, 1)).isEqualTo(Color.parseColor("#000099"));
}

代码示例来源：origin: robolectric/robolectric

@Test
public void shouldCreateActiveBitmap() throws Exception {
 Bitmap bitmap = Bitmap.createBitmap(100, 200, Bitmap.Config.ARGB_8888);
 assertThat(bitmap.isRecycled()).isFalse();
 assertThat(bitmap.getPixel(0, 0)).isEqualTo(0);
 assertThat(bitmap.getWidth()).isEqualTo(100);
 assertThat(bitmap.getHeight()).isEqualTo(200);
 assertThat(bitmap.getConfig()).isEqualTo(Bitmap.Config.ARGB_8888);
}

代码示例来源：origin: google/ExoPlayer

assertThat(firstBitmap.getWidth()).isEqualTo(secondBitmap.getWidth());
assertThat(firstBitmap.getHeight()).isEqualTo(secondBitmap.getHeight());
long mse = 0;
for (int i = 0; i < firstBitmap.getWidth(); i++) {
 for (int j = 0; j < firstBitmap.getHeight(); j++) {
  int firstColorInt = firstBitmap.getPixel(i, j);
  int firstRed = Color.red(firstColorInt);
  int firstGreen = Color.green(firstColorInt);
  int firstBlue = Color.blue(firstColorInt);
  int secondColorInt = secondBitmap.getPixel(i, j);
  int secondRed = Color.red(secondColorInt);
  int secondGreen = Color.green(secondColorInt);

代码示例来源：origin: yipianfengye/android-zxingLibrary

int scaleHeight = 0;
if (scaleLogo != null) {
  scaleWidth = scaleLogo.getWidth();
  scaleHeight = scaleLogo.getHeight();
  offsetX = (w - scaleWidth) / 2;
  offsetY = (h - scaleHeight) / 2;
  for (int x = 0; x < w; x++) {
    if(x >= offsetX && x < offsetX + scaleWidth && y>= offsetY && y < offsetY + scaleHeight){
      int pixel = scaleLogo.getPixel(x-offsetX,y-offsetY);
      if(pixel == 0){
        if(bitMatrix.get(x, y)){

代码示例来源：origin: bumptech/glide

assertThat(bitmap.getWidth()).isEqualTo(100);
assertThat(bitmap.getHeight()).isEqualTo(100);
for (int x = 0; x < bitmap.getWidth(); x++) {
 for (int y = 0; y < bitmap.getHeight(); y++) {
  assertThat(bitmap.getPixel(x, y)).isEqualTo(expected.getPixel(x, y));

代码示例来源：origin: stackoverflow.com

final Bitmap bitmap;  //Declare bitmap     
bitmap = BitmapFactory.decodeResource(getResources(), R.drawable.TheImage);

public boolean onTouch(View v, MotionEvent event) {

    int eventPadTouch = event.getAction();
    float iX=event.getX();
  float iY=event.getY();

    switch (eventPadTouch) {

      case MotionEvent.ACTION_DOWN:
        if (iX>=0 & iY>=0 & iX<bitmap.getWidth() & iY<bitmap.getHeight()) { //Makes sure that X and Y are not less than 0, and no more than the height and width of the image.                
          if (bitmap.getPixel((int) iX, (int) iY)!=0) {
            // actual image area is clicked(alpha not equal to 0), do something 
          }               
        }
        return true;                
    }           
    return false;
}

代码示例来源：origin: stackoverflow.com

int imgHeight = bmp.getHeight();
int imgWidth  = bmp.getWidth();
  if (startWidth == 0) {
    for (int y = 0; y < imgHeight; y++) {
      if (bmp.getPixel(x, y) != Color.TRANSPARENT) {
        startWidth = x;
        break;
  if (endWidth == 0) {
    for (int y = 0; y < imgHeight; y++) {
      if (bmp.getPixel(x, y) != Color.TRANSPARENT) {
        endWidth = x;
        break;
  if (startHeight == 0) {
    for (int x = 0; x < imgWidth; x++) {
      if (bmp.getPixel(x, y) != Color.TRANSPARENT) {
        startHeight = y;
        break;
  if (endHeight == 0 ) {
    for (int x = 0; x < imgWidth; x++) {
      if (bmp.getPixel(x, y) != Color.TRANSPARENT) {
        endHeight = y;
        break;

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